From 4586cfa84bf68294acf32a7973e79a2f326e64ed Mon Sep 17 00:00:00 2001
From: Hawkwood <2041829103@qq.com>
Date: Thu, 24 Aug 2017 11:22:24 +0800
Subject: [PATCH] Give Detailed information of nn exception (#1482)

* Give Detailed information of nn exception

* modify some changes

* bug fix1